Partially corrugated ring binder housing



FIG. 1 is an isometric view of a partially corrugated ring binder housing showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is another perspective view thereof with the broken-line rings in the open position;

FIG. 5 is a cross-sectional view thereof; and,

FIG. 6 is another top plan view thereof.

The broken-line showings are environmental only and form no part of the claimed design. 

The ornamental design for a partially corrugated ring binder housing, as shown and described. 